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Finding the Fourth Proportional to 546,537.86, 814,373.46 and 486,915.38

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Solution

The fourth proportional to 546,537.86, 814,373.46 and 486,915.38 is: 725,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,537.86 : 814,373.46 = 486,915.38 : x
  2. Step 2: Convert to fraction form
    546,537.86/814,373.46 = 486,915.38/x
  3. Step 3: Cross multiply
    546,537.86x = 814,373.46 × 486,915.38
  4. Step 4: Simplify right side
    546,537.86x = 396,530,960,303.24
  5. Step 5: Solve for x
    x = 396,530,960,303.24/546,537.86
  6. Step 6: Final answer
    x = 725,532.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.